21238782

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1283}}^1$

素因数の和:1408

約数の個数: 32

約数和(自身を含む): 44375040

約数和(自身を除く): 23136258

約数列:

[1, 2, 3, 6, 31, 62, 89, 93, 178, 186, 267, 534, 1283, 2566, 2759, 3849, 5518, 7698, 8277, 16554, 39773, 79546, 114187, 119319, 228374, 238638, 342561, 685122, 3539797, 7079594, 10619391, 21238782]

約数ペア:

[(1, 21238782), (2, 10619391), (3, 7079594), (6, 3539797), (31, 685122), (62, 342561), (89, 238638), (93, 228374), (178, 119319), (186, 114187), (267, 79546), (534, 39773), (1283, 16554), (2566, 8277), (2759, 7698), (3849, 5518)]